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Compute msg once, make key a const

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This commit is contained in:
Jason Hall 2013-12-22 00:30:49 -05:00
parent 4708fc4e82
commit b9ca0d697a
1 changed files with 9 additions and 5 deletions
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14
pointer.go
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@ -12,6 +12,8 @@ import (
"appengine/memcache"
)
const key = "ids"
func init() {
http.HandleFunc("/", main)
http.HandleFunc("/update", update)
@ -31,7 +33,7 @@ func main(w http.ResponseWriter, r *http.Request) {
if !found {
ids = append(ids, id)
_ = memcache.Set(c, &memcache.Item{
Key: "ids",
Key: key,
Value: []byte(strings.Join(ids, ",")),
})
}
@ -46,9 +48,10 @@ func update(w http.ResponseWriter, r *http.Request) {
x := r.FormValue("x")
y := r.FormValue("y")
from := r.FormValue("id")
msg := fmt.Sprintf("{\"x\":%s,\"y\":%s,\"id\":\"%s\"}", x, y, from)
for _, id := range ids {
if id != from {
_ = channel.Send(c, id, fmt.Sprintf("{\"x\":%s,\"y\":%s,\"id\":\"%s\"}", x, y, from))
_ = channel.Send(c, id, msg)
}
}
}
@ -67,18 +70,19 @@ func leave(w http.ResponseWriter, r *http.Request) {
if i != -1 {
ids = append(ids[:i], ids[i+1:]...)
_ = memcache.Set(c, &memcache.Item{
Key: "ids",
Key: key,
Value: []byte(strings.Join(ids, ",")),
})
}
msg := fmt.Sprintf("{\"x\":-1,\"y\":-1,\"id\":\"%s\"}", id)
for _, id := range ids {
_ = channel.Send(c, id, fmt.Sprintf("{\"x\":-1,\"y\":-1,\"id\":\"%s\"}", id))
_ = channel.Send(c, id, msg)
}
}
func getIDs(c appengine.Context) []string {
var ids []string
if i, err := memcache.Get(c, "ids"); err == nil {
if i, err := memcache.Get(c, key); err == nil {
ids = strings.Split(string(i.Value), ",")
}
return ids